CVE-2021-4135

    Dashboard / Vulnerabilities / CVE-2021-4135

    CVE-2021-4135

    Published: 14 Jul 2022Last Modified: 16 Apr 2026

    Summary:

    Details: A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.

    References: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=481221775d53

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-4135 | CVE-DB